package day01;

public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("HelloWorld");
        System.out.println(123);
        System.out.println("输出数字可以不加双引号");
        System.out.println("双引号内容原样输出");
        System.out.println("区分大小写，以分号结尾");
    }
}